From: tony@atomide•com (Tony Lindgren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2] arm: make FORCE_MAX_ZONEORDER configurable for TI AM33XX
Date: Tue, 25 Sep 2012 08:27:06 -0700 [thread overview]
Message-ID: <20120925152705.GB4840@atomide.com> (raw)
In-Reply-To: <50616F6A.80100@visionsystems.de>
* Yegor Yefremov <yegor_sub1@visionsystems•de> [120925 01:47]:
> On 25.09.2012 10:32, Russell King - ARM Linux wrote:
> > On Tue, Sep 25, 2012 at 10:26:30AM +0200, yegorslists at googlemail.com wrote:
> >> From: Yegor Yefremov <yegorslists@googlemail•com>
> >>
> >> FORCE_MAX_ZONEORDER of 12 is needed to allocation more than 4MB
> >> of consistent DMA memory (da8xx frame buffer driver).
> >
> > Okay, so the patch description says "This needs to be 12 on this platform".
> >
> >> config FORCE_MAX_ZONEORDER
> >> - int "Maximum zone order" if ARCH_SHMOBILE
> >> - range 11 64 if ARCH_SHMOBILE
> >> + int "Maximum zone order" if ARCH_SHMOBILE || SOC_AM33XX
> >> + range 11 64 if ARCH_SHMOBILE || SOC_AM33XX
> >
> > but you leave it up to the user to select something that may not be
> > suitable. Wouldn't _just_ adding:
> >
> > default "12" if SOC_AM33XX
> >
> > after the "range", and making no other changes be good enough and match
> > what the patch description says?
>
> You're right. As we don't allocate anything, but increase the possible size, it shouldn't break anything. Tony is it O.K. with you?
Sure.
Tony
prev parent reply other threads:[~2012-09-25 15:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-25 8:26 [PATCH v2] arm: make FORCE_MAX_ZONEORDER configurable for TI AM33XX yegorslists at googlemail.com
2012-09-25 8:32 ` Russell King - ARM Linux
2012-09-25 8:46 ` Yegor Yefremov
2012-09-25 15:27 ` Tony Lindgren [this message]
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